Connor, Bron and Jared don't know what has hit them when they come up against Terri's replacement, Kate Larsen. They soon realise that this Nursing Unit Manager has very different ideas about how Ward 17 should be run. What they can't figure out is whether she is friend or foe, a genuine legend, or a know-it-all pain. Meanwhile, Luke faces his greatest surgical challenge - and the life on the line may be his own.